News An aerial picture of the Grand Canyon in Arizona from around 30,000 feet (10,000m)

It was thought that the global landmark was perhaps 70million years old

Strong earthquake hits Mexico

A 6.7-magnitude earthquake struck Mexico's western Guerrero state today, shaking buildings and causing panic just over 100 miles away in the nation's capital.

Deforestation: Cutting down trees on steep slopes increases the risk of landslides, which are induced by extreme rain

Why the Haiti earthquake may not have been a natural disaster

Deforestation and extreme weather may later cause earthquakes, scientists believe.

Mexico volcano erupts

Water, ash and rocks are flowing down the flanks of the Popocatepetl volcano southeast of Mexico City.

Trail of the unexpected: Northern Ireland

A new kayaking trail presents a different view of Ulster's dramatic shores.

Eight years and 34 million miles on, Mars rover nears end of road

It travelled at an average speed of 60cm an hour and it has arrived a year late. But the Mars rover Opportunity is finally approaching its destination, the rim of the vast Endeavour crater.

Streak marks on surface of Mars may be a sign of flowing water

Streams of salty water could be coursing their way down the steep sides of craters on Mars, scientists believe after identifying a series of dark lines in photographs.

Earthquake strikes off Indonesia coast

A magnitude 5.2 earthquake struck off the Indonesian coast of western Sumatra today, the United States Geological Survey said, but no tsunami warning was issued.

Terrifying, beautiful and deadly

Indonesia's mount Lokon spewed hot lava and volcanic ash 1,500 metres into the sky in the north of Sulawesi island yesterday, prompting panicked residents to flee the area.

Earthquake in English Channel

An earthquake with a magnitude of 3.9 struck in the middle of the English Channel yesterday, the British Geological Survey said.

What lies within: Why we are fascinated by caves

They inspire artists, hold ancient secrets and, in the popular imagination, they're the refuge of bandits and terrorists. Caves remain unmapped in our know-everything age.

There Will Be Bucks in the town that struck black gold

In recession-hit America, one small corner of North Dakota has never had it so good. David Usborne reports from Williston

Small earthquake in Blackpool, major shock for UK's energy policy

Controversial shale gas drilling halted pending investigation into possible connection with tremors

Iceland volcano eruption spits plume 10 miles high

A volcano in Iceland spat a plume of white smoke almost 10 miles into the air as it erupted last night.

Steve Connor: The nuclear industry must learn its lesson and stop building these white elephants

When the troubled Sellafield Mox Plant was built in the 1990s it had to wait several years before it was given an operating licence. The principal justification for awarding the licence in 2001 was the belief that it would supply hundreds of tonnes of mixed oxide (Mox) fuel to Japanese reactors and so provide a cash benefit for UK plc.

Tourists warned as Hawaiian volcano erupts

Scientists are closely monitoring heightened activity at Kilauea Volcano in Hawaii, after a fissure sent lava spewing 20m (65ft) in the air. No homes were threatened and no one was injured, but park rangers cautioned visitors to keep their distance from the volcano.

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Mullah Omar, creator of the Taliban, is dead... for the fourth time

Mullah Omar, creator of the Taliban, is dead... again

I was once told that intelligence services declare their enemies dead to provoke them into popping up their heads and revealing their location, says Robert Fisk
Margaret Attwood on climate change: 'Time is running out for our fragile, Goldilocks planet'

Margaret Attwood on climate change

The author looks back on what she wrote about oil in 2009, and reflects on how the conversation has changed in a mere six years
New Dr Seuss manuscript discovered: What Pet Should I Get? goes on sale this week

New Dr Seuss manuscript discovered

What Pet Should I Get? goes on sale this week
Oculus Rift and the lonely cartoon hedgehog who could become the first ever virtual reality movie star

The cartoon hedgehog leading the way into a whole new reality

Virtual reality is the 'next chapter' of entertainment. Tim Walker gives it a try
Ants have unique ability to switch between individual and collective action, says study

Secrets of ants' teamwork revealed

The insects have an almost unique ability to switch between individual and collective action
Donovan interview: The singer is releasing a greatest hits album to mark his 50th year in folk

Donovan marks his 50th year in folk

The singer tells Nick Duerden about receiving death threats, why the world is 'mentally ill', and how he can write a song about anything, from ecology to crumpets
Let's Race simulator: Ultra-realistic technology recreates thrill of the Formula One circuit

Simulator recreates thrill of F1 circuit

Rory Buckeridge gets behind the wheel and explains how it works
Twitter accused of 'Facebookisation' over plans to overhaul reverse-chronological timeline

Twitter accused of 'Facebookisation'

Facebook exasperates its users by deciding which posts they can and can’t see. So why has Twitter announced plans to do the same?
Jane Birkin asks Hermès to rename bag - but what else could the fashion house call it?

Jane Birkin asks Hermès to rename bag

The star was shocked by a Peta investigation into the exotic skins trade
10 best waterproof mascaras

Whatever the weather: 10 best waterproof mascaras

We found lash-enhancing beauties that won’t budge no matter what you throw at them
Diego Costa biography: Chelsea striker's route to the top - from those who shared his journey

Diego Costa: I go to war. You come with me...

Chelsea's rampaging striker had to fight his way from a poor city in Brazil to life at the top of the Premier League. A new book speaks to those who shared his journey
Ashes 2015: England show the mettle to strike back hard in third Test

England show the mettle to strike back hard in third Test

The biggest problem facing them in Birmingham was the recovery of the zeitgeist that drained so quickly under the weight of Australian runs at Lord's, says Kevin Garside
Women's Open 2015: Charley Hull - 'I know I'm a good golfer but I'm also just a person'

Charley Hull: 'I know I'm a good golfer but I'm also just a person'

British teen keeps her feet on ground ahead of Women's Open
Turkey's conflict with Kurdish guerrillas in Iraq can benefit Isis in Syria

Turkey's conflict with Kurdish guerrillas in Iraq can benefit Isis in Syria

Turkish President Erdogan could benefit politically from the targeting of the PKK, says Patrick Cockburn
Yvette Cooper: Our choice is years of Tory rule under Jeremy Corbyn or a return to a Labour government

Our choice is years of Tory rule under Corbyn or a return to a Labour government

Yvette Cooper urged Labour members to 'get serious' about the next general election rather than become 'a protest movement'